There were 9 times over a 1 835 day period from June 20, 2021, that grand-challenge.org was checked for availability. Testing proves grand-challenge.org's operability 9 times from total attempts, including on April 13, 2026, when a 200 status code was received. As of June 30, 2026, no checks had detected any instances of grand-challenge.org being unavailable. As of June 30, 2026, there were no responses indicating error status, based on all received replies. Data shows grand-challenge.org had a 0.230 seconds response time on April 13, 2026, against a 0.328 seconds average.